CentOS Update for php53 CESA-2011:1423 centos5 x86_64

Published: 2012-07-30 11:55:50
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'php53' Linux Distribution Package(s) announced via the referenced advisory.

Affected Versions:
php53 on CentOS 5

Recommendations:
Please install the updated Linux Distribution Packages.

Technical Details:
PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A signedness issue was found in the way the PHP crypt() function handled 8-bit characters in passwords when using Blowfish hashing. Up to three characters immediately preceding a non-ASCII character (one with the high bit set) had no effect on the hash result, thus shortening the effective password length. This made brute-force guessing more efficient as several different passwords were hashed to the same value. (CVE-2011-2483) Note: Due to the CVE-2011-2483 fix, after installing this update some users may not be able to log in to PHP applications that hash passwords with Blowfish using the PHP crypt() function. Refer to the upstream 'CRYPT_BLOWFISH security fix details' document, linked to in the References, for details. An insufficient input validation flaw, leading to a buffer over-read, was found in the PHP exif extension. A specially-crafted image file could cause the PHP interpreter to crash when a PHP script tries to extract Exchangeable image file format (Exif) metadata from the image file. (CVE-2011-0708) An integer overflow flaw was found in the PHP calendar extension. A remote attacker able to make a PHP script call SdnToJulian() with a large value could cause the PHP interpreter to crash. (CVE-2011-1466) Multiple memory leak flaws were found in the PHP OpenSSL extension. A remote attacker able to make a PHP script use openssl_encrypt() or openssl_decrypt() repeatedly could cause the PHP interpreter to use an excessive amount of memory. (CVE-2011-1468) A use-after-free flaw was found in the PHP substr_replace() function. If a PHP script used the same variable as multiple function arguments, a remote attacker could possibly use this to crash the PHP interpreter or, possibly, execute arbitrary code. (CVE-2011-1148) A bug in the PHP Streams component caused the PHP interpreter to crash if an FTP wrapper connection was made through an HTTP proxy. A remote attacker could possibly trigger this issue if a PHP script accepted an untrusted URL to connect to. (CVE-2011-1469) An integer signedness issue was found in the PHP zip extension. An attacker could use a specially-crafted ZIP archive to cause the PHP interpreter to use an excessive amount of CPU time until the script execution time limit is reached. (CVE-2011-1471) A stack-based buffer overflow flaw was found in the way the PHP socket extension handled long AF_UNIX socket addresses. An attacker able to make a PHP script connect to a long AF_ ... Description truncated, please see the referenced URL(s) for more information.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2011-0708
https://nvd.nist.gov/vuln/detail/CVE-2011-1148
https://nvd.nist.gov/vuln/detail/CVE-2011-1466
https://nvd.nist.gov/vuln/detail/CVE-2011-1468
https://nvd.nist.gov/vuln/detail/CVE-2011-1469
https://nvd.nist.gov/vuln/detail/CVE-2011-1471
https://nvd.nist.gov/vuln/detail/CVE-2011-1938
https://nvd.nist.gov/vuln/detail/CVE-2011-2202
https://nvd.nist.gov/vuln/detail/CVE-2011-2483

References:

http://lists.centos.org/pipermail/centos-announce/2011-November/018146.html

Severity
High
CVSS Score
7.5
Published
2012-07-30
Modified
2019-03-15
Category
CentOS Local Security Checks

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